Kansas earthquakes

M2.5 earthquake 6 km SSE of Bluff City, Kansas

A magnitude 2.5 earthquake struck 6 km SSE of Bluff City, Kansas on Sat, Aug 14, 2021, 1:17 PM CDT (18:17 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.5 9 km ESE of Jefferson, Oklahoma. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.5 (ml), micro
Local time
UTC
2021-08-14 18:17:35 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
37.023° N, 97.850° W
Region
Kansas
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.6 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
63°
Stations used
72

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 72 in the 60 days after this one and 32 in the 30 days before it.

After

The first 60 of 72.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000f69m. Read Tue, Sep 22, 2026, 3:52 PM UTC.